Finding the Fourth Proportional to 1,642,694,256, 2,266,918,073.28 and 982,672,352.64
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Solution
The fourth proportional to 1,642,694,256, 2,266,918,073.28 and 982,672,352.64 is: 1,356,087,846.64
Step by Step Solution
- Step 1: Write the proportion equation
1,642,694,256 : 2,266,918,073.28 = 982,672,352.64 : x - Step 2: Convert to fraction form
1,642,694,256/2,266,918,073.28 = 982,672,352.64/x - Step 3: Cross multiply
1,642,694,256x = 2,266,918,073.28 × 982,672,352.64 - Step 4: Simplify right side
1,642,694,256x = 2,227,637,716,312,193,792 - Step 5: Solve for x
x = 2,227,637,716,312,193,792/1,642,694,256 - Step 6: Final answer
x = 1,356,087,846.64
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.